Mathematics questions and answers

Mathematics Questions and Answers

How good are you with figures and formulas? Find out with these Mathematics past questions and answers. This Test is useful for both job aptitude test candidates and students preparing for JAMB, WAEC, NECO or Post UTME.

1,036.

A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus?

A.

\(\frac{4}{39}\)

B.

\(\frac{4}{13}\)

C.

\(\frac{5}{13}\)

D.

\(\frac{6}{13}\)

E.

\(\frac{9}{13}\)

Correct answer is E

No explanation has been provided for this answer.

1,037.

If sin 30° = 0.5, what is the cosine of its complement?

A.

-0.866

B.

-0.5

C.

0.0.5

D.

0.866

E.

1

Correct answer is C

No explanation has been provided for this answer.

1,038.

What is the total surface area of a cuboid whose dimensions are 12cm × 8cm × 3cm?

A.

312cm\(^2\)

B.

96cm\(^2\)

C.

36cm\(^2\)

D.

24cm\(^2\)

E.

12cm\(^2\)

Correct answer is A

No explanation has been provided for this answer.

1,039.

If , sT = \(\sqrt{\frac{[(a + T)T]}{a}}\) what does T equal?

A.

T = (a2s2 – 1)

B.

T = (a2s2– 1) ÷ a

C.

T = a ÷ (a2 - s2)

D.

T = a ÷ (a2s2 – 1)

E.

T = (as – 1)2

Correct answer is D

No explanation has been provided for this answer.

1,040.

A cone was developed from a sector of a circle with radius10cm and an angle at the centre of 108°. What is the radius of the cone?

A.

9.0cm

B.

8.5cm

C.

7.2cm

D.

4.3cm

E.

3.0cm

Correct answer is E

No explanation has been provided for this answer.